Use the Moneybookers Automated Payments Interface API to send money, make pay-on-demand transactions, check transaction statuses, and download account histories. Users of the main site send money via...

CaptchaCoin is a captcha solving service that allows users to both use the service to have their own captchas solved, or users can solve captchas and receive payment for the service in bitcoins. The...

mcxNOW is a digital currency exchange platform where users can buy and trade multiple currencies. The site handles Bitcoin, among other currencies, and offers low trading fees, a C++ trading engine,...

The LevelUp API allows developers to access and integrate the functionality of LevelUp with other applications, such as point-of-sale systems and to create new applications. Some example API methods...

QuickBooks Payments API lets developers use eCommerce websites or online processing for customer sites, process credit card payments. It can also be used for QuickBooks Online to record transactions...